<!DOCTYPE html>
<html lang="en">

<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>迭代器</title>
</head>

<body>
    <script>
        //声明一个数组
        const xiyou = ['唐僧', '孙悟空', '猪八戒', '沙僧'];

        //使用 for...of 遍历数组
        for (let v of xiyou) {
            console.log(v);
        }

        let iterator = xiyou[Symbol.iterator]();

        //调用对象的next方法
        console.log(iterator.next());
        console.log(iterator.next());
        console.log(iterator.next());
        console.log(iterator.next());
        console.log(iterator.next());

        // 重新初始化对象，指针也会重新回到最前面
        let iterator1 = xiyou[Symbol.iterator]();
        console.log(iterator1.next());
    </script>
</body>

</html>